Total number of atoms present in `1.0 cm^(3)` of solid urea (density `0.3 g//cm^(3))` at `25^(@)C` are:

The number of iodine atoms present in 1cm^(3) of its 0.1 M solutions is :

The number of iodine atoms present in 1 cm^3 of its 0.1 M solution is

The number of iodine atoms present in 1 cm^3 of its 0.1 M solution is

The number fo electrons present in 1 cm^3 of Mg (density of . _(12)Mg^(24) g cm^(-3)) is:

Q. The number of atoms present in 100 g of a bcc crystal (density=10 g cm^(-3) ) having cell edge 200 pm is

An aqueous solution of urea containing 18 g urea in 1500 cm^(3) of solution has a density of 1.5 g//cm^(3) . If the molecular weight of urea is 60. Then the molality of solution is:

An aqueous solution of urea containing 18 g urea in 1500 cm^(3) of solution has a density of 1.5 g//cm^(3) . If the molecular weight of urea is 60. Then the molality of solution is:

The number of atoms is 100 g of a fcc crystal with density = 10.0 g//cm^(3) and cell edge equal to 200 pm is equal to

Calculate the number of unit cells in 0.3 g of a species having density of 8.5 g//cm^3 and unit cell edge length 3.25×10^(-8) cm.